NVProperty generic key value store using the MCU flash area.
Dependents: Turtle_RadioShuttle
NVProperty_SRAM.cpp
- Committer:
- Helmut Tschemernjak
- Date:
- 2019-01-24
- Revision:
- 3:968b84113ef3
- Parent:
- 1:3a8297ad8cd9
- Child:
- 4:eb6850e3bc21
File content as of revision 3:968b84113ef3:
/* * This is an unpublished work copyright * (c) 2019 Helmut Tschemernjak * 30826 Garbsen (Hannover) Germany * * * Use is granted to registered RadioShuttle licensees only. * Licensees must own a valid serial number and product code. * Details see: www.radioshuttle.de */ #include <string.h> #include <stdlib.h> #include <stdint.h> #include "arch.h" #include <NVPropertyProviderInterface.h> #include <NVProperty.h> #include <NVProperty_SRAM.h> NVProperty_SRAM::NVProperty_SRAM() { } NVProperty_SRAM::~NVProperty_SRAM() { std::map<int, PropertyEntry>::iterator re; for(re = _props.begin(); re != _props.end(); re++) { if (re->second.type == NVProperty::T_STR) free(re->second.str); if (re->second.type == NVProperty::T_BLOB) delete[] (char *)re->second.data; } _props.clear(); } int NVProperty_SRAM::GetProperty(int key) { std::map<int, PropertyEntry>::iterator it = _props.find(key); if(it != _props.end()) { switch (it->second.type) { case NVProperty::T_STR: return NVProperty::NVP_ENOENT; break; case NVProperty::T_BLOB: return NVProperty::NVP_ENOENT; break; default: return it->second.val32; } } return NVProperty::NVP_ENOENT; }; int64_t NVProperty_SRAM::GetProperty64(int key) { std::map<int, PropertyEntry>::iterator it = _props.find(key); if(it != _props.end()) { switch (it->second.type) { case NVProperty::T_STR: return NVProperty::NVP_ENOENT; break; case NVProperty::T_BLOB: return NVProperty::NVP_ENOENT; break; default: return it->second.val64; } } return NVProperty::NVP_ENOENT; } const char * NVProperty_SRAM::GetPropertyStr(int key) { std::map<int, PropertyEntry>::iterator it = _props.find(key); if(it != _props.end()) { if (it->second.type == NVProperty::T_STR) { return (const char *)it->second.str; } } return NULL; } int NVProperty_SRAM::GetPropertyBlob(int key, const void *blob, int *size) { if (!blob || *size <= 0) return NVProperty::NVP_INVALD_PARM; std::map<int, PropertyEntry>::iterator it = _props.find(key); if(it != _props.end()) { switch (it->second.type) { case NVProperty::T_BLOB: *size = std::min(*size, (int)it->second.size); if (blob) memcpy((void *)blob, it->second.data, *size); return *size; break; default: break; } } return NVProperty::NVP_ENOENT; } int NVProperty_SRAM::SetProperty(int key, int64_t value, int type) { std::map<int, PropertyEntry>::iterator it = _props.find(key); if(it != _props.end()) { it->second.val32 = value; return 0; } struct PropertyEntry r; memset(&r, 0, sizeof(r)); r.key = key; r.type = type; if (type <= NVProperty::T_32BIT) { r.size = sizeof(r.val32); r.val32 = value; } else if (type == NVProperty::T_64BIT) { r.size = sizeof(r.val64); r.val64 = value; } _props.insert(std::pair<int,PropertyEntry> (key, r)); return NVProperty::NVP_OK; } int NVProperty_SRAM::SetPropertyStr(int key, const char *str, int type) { std::map<int, PropertyEntry>::iterator it = _props.find(key); if(it != _props.end()) { if (it->second.str) free(it->second.str); it->second.str = strdup(str); it->second.size = strlen(str)+1; return NVProperty::NVP_OK; } struct PropertyEntry r; memset(&r, 0, sizeof(r)); r.key = key; r.type = type; r.size = strlen(str)+1; r.str = strdup(str); _props.insert(std::pair<int,PropertyEntry> (key, r)); return NVProperty::NVP_OK; } int NVProperty_SRAM::SetPropertyBlob(int key, const void *blob, int size, int type) { std::map<int, PropertyEntry>::iterator it = _props.find(key); if(it != _props.end()) { if (it->second.data) delete[] (char *)it->second.data; it->second.size = size; it->second.data = new char[size]; memcpy(it->second.data, blob, size); return NVProperty::NVP_OK; } struct PropertyEntry r; memset(&r, 0, sizeof(r)); r.key = key; r.type = type; r.size = size; r.data = new char[size]; memcpy(r.data, blob, size); _props.insert(std::pair<int,PropertyEntry> (key, r)); return NVProperty::NVP_OK; } int NVProperty_SRAM::EraseProperty(int key) { std::map<int, PropertyEntry>::iterator it = _props.find(key); if(it == _props.end()) { return NVProperty::NVP_ENOENT; } if (it->second.type == NVProperty::T_STR) free((char *)it->second.data); if (it->second.type == NVProperty::T_BLOB) delete[] (char *)it->second.data; _props.erase(it->first); return NVProperty::NVP_OK; } int NVProperty_SRAM::ReorgProperties(void) { return NVProperty::NVP_OK; } int NVProperty_SRAM::OpenPropertyStore(bool forWrite) { UNUSED(forWrite); return NVProperty::NVP_OK; } int NVProperty_SRAM::ClosePropertyStore(bool flush) { UNUSED(flush); return NVProperty::NVP_OK; }